%0 Journal Article %T Premotor biomarkers for Parkinson's disease - a promising direction of research %A Brian R Haas %A Tessandra H Stewart %A Jing Zhang %J Translational Neurodegeneration %D 2012 %I BioMed Central %R 10.1186/2047-9158-1-11 %K Parkinson¡¯s disease %K Biochemical markers %K LRRK2 %K GBA %K ¦Á-synuclein %K DJ-1 %K Clinical biomarkers %K Premotor %K Neuroimaging %K parkin %K CSF %U http://www.translationalneurodegeneration.com/content/1/1/11/abstract